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Planning application

Flat A, 78 Onslow Gardens, Hornsey, London, N10 3JX

Awaiting decision Haringey HGY/2026/2331 Householder planning permission

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Erection of a single-storey rear extension to ground floor flat; alterations to rear bay with new lower ground rear doors to sunken patio area.

As published by the council, reference HGY/2026/2331

Application record

Reference
HGY/2026/2331
Type
Householder planning permission
Status
Under Consultation
Received
28 Aug 2026
Validated
28 Aug 2026
Ward
Muswell Hill
Decision by
Delegated Decision
Postcode
N10 3JX

Timeline

Dates from the published record

  1. 28 Aug 2026

    Received by Haringey

  2. 10 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 23 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Haringey took a median of 53 days over the applications it decided in the last year.

Documents

Plans, drawings, consultee responses and the officer's report

3 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What happens while it is decided

This application is with Haringey for determination, against a statutory target of eight weeks. Over the last year Haringey decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 74 Onslow Gardens, Hornsey, London, N10 3JX

    HGY/2025/2434 Submitted 16 Sep 2025 0m away

    Demolition of existing rear extension and replacement with rear and side infill extension, new rear patio, flat roof dormer window to front roof slope, replacement of exiting timber casement windows and front entrance door.

    Granted Householder Extension Loft or dormer +2 26 docs
    Domestic
  • Ground Floor Flat, 72 Woodland Gardens, Hornsey, London, N10 3UA

    HGY/2023/0721 Submitted 14 Mar 2023 72m away

    Alterations to existing rear extension, roof light with new external windows

    Granted Full applications Extension Loft or dormer +1 17 docs
  • 36 Woodland Gardens, Hornsey, London, N10 3UA

    HGY/2024/2736 Submitted 4 Oct 2024 72m away

    Replacement of existing single storey conservatory with glazed ground floor rear extension; enlargement of garden shed to incorporate enclosure for an air source heat pump; changes to rear garden landscaping.

    Granted Householder Extension Windows or glazing 14 docs
    Small domestic
  • 50 Woodland Gardens, Hornsey, London, N10 3UA

    HGY/2026/1413 Submitted 23 Jun 2026 72m away

    Removal/variation of condition 3 (Design and Materials) as attached to planning permission HGY/2015/1450 as approved on 09/07/2015 for 'Conversion of single family dwelling into 3 self-contained flats (2 x 3 bedroom and 1 x 1 bedroom). Construction / adaptation of rear roof to include 3 x dormers, installation of rooflights to front roofslope, and insertion of 1 new window and enlargement of 2 windows to lower ground floor'

    Withdrawn Amendments New dwelling Loft or dormer +1 15 docs
    Domestic
  • 50 Woodland Gardens, Hornsey, London, N10 3UA

    HGY/2026/2428 Submitted 1 Sep 2026 72m away

    91% historically approved · decision due ~27 Oct

    Replacement of the existing stone tile cladding to the rear dormer with zinc cladding.

    Awaiting decision Householder Loft or dormer 15 docs
    Domestic
  • Ground Floor Flat A, 26 Woodland Gardens, Hornsey, London, N10 3UA

    HGY/2026/1036 Submitted 13 Apr 2026 72m away

    Non-Material Amendment application following a grant of planning permission HGY/2021/2079 in relation to the alteration to the rear of the house:- 1. Minor amendment to the design of the central door, now in white timber, with double-glazing; 2. Revision to the design of the window on the right, to be exactly the same design as the existing window but in double-glazed white uPVC; 3. The window on the left to remain as a window rather than forming a new double door, retaining exactly the same design as the existing window but in double-glazed white uPVC.

    Granted Amendments Windows or glazing 6 docs

In Haringey

  • HGY/2026/2282 Awaiting decision

    77 Falkland Road, Hornsey, London, N8 0NS

    Single storey side and rear extension.

    14 Sep 2026 Householder
  • HGY/2026/2059 Granted

    21 Shanklin Road, Hornsey, London, N8 8TJ

    Single Storey Rear Extension

    20 Jul 2026 Householder
  • HGY/2026/2162 Granted

    71 Fairfax Road, Hornsey, London, N8 0NH

    Erection of L-shaped rear dormer; erection of single storey rear extension; 2 no. front roof lights.

    30 Jul 2026 Householder
  • HGY/2026/1895 Granted

    396 St Anns Road, Tottenham, London, N15 3ST

    Erection of single storey side infill extension, formation of dormer window and insertion of 4 nos. rooflights (3no. front facing and 1no. rear facing).

    17 Jul 2026 Householder
  • HGY/2026/1959 Granted

    10 Roseberry Gardens, Tottenham, London, N4 1JJ

    Erection of a single storey rear and side wraparound extension, formation of dormer window and insertion of 3 nos. rooflights to front roof slope (amended).

    17 Jul 2026 Householder